List of reliable remailers

Raph Levien raph at CS.Berkeley.EDU
Mon Aug 25 07:21:35 PDT 1997

   I operate a remailer pinging service which collects detailed
information about remailer features and reliability.

   To use it, just finger remailer-list at

   There is also a Web version of the same information, plus lots of
interesting links to remailer-related resources, at:

   This information is used by premail, a remailer chaining and PGP
encrypting client for outgoing mail. For more information, see:

   For the PGP public keys of the remailers, finger
pgpkeys at

This is the current info:

                                 REMAILER LIST

   This is an automatically generated listing of remailers. The first
   part of the listing shows the remailers along with configuration
   options and special features for each of the remailers. The second
   part shows the 12-day history, and average latency and uptime for each
   remailer. You can also get this list by fingering
   remailer-list at

$remailer{'cyber'} = '<alias at> alpha pgp';
$remailer{"mix"} = "<mixmaster at> cpunk mix pgp hash latent cut ek ksub reord ?";
$remailer{"replay"} = "<remailer at> cpunk mix pgp hash latent cut post ek";
$remailer{"jam"} = "<remailer at> cpunk mix pgp hash middle latent cut ek";
$remailer{"winsock"} = "<winsock at> cpunk pgp pgponly hash cut ksub reord ?";
$remailer{'nym'} = '<config at> newnym pgp';
$remailer{"squirrel"} = "<mix at> cpunk mix pgp pgponly hash latent cut ek";
$remailer{'weasel'} = '<config at> newnym pgp';
$remailer{"reno"} = "<middleman at> cpunk mix pgp hash middle latent cut ek reord ?";
$remailer{"cracker"} = "<remailer at> cpunk mix remix pgp hash ksub esub latent cut ek reord post";
$remailer{'redneck'} = '<config at> newnym pgp';
$remailer{"bureau42"} = "<remailer at> cpunk mix pgp ksub hash latent cut ek";
$remailer{"neva"} = "<remailer at> cpunk pgp pgponly hash cut ksub ?";
$remailer{"lcs"} = "<mix at> mix";
$remailer{"medusa"} = "<medusa at> mix middle"
$remailer{"McCain"} = "<mccain at> mix middle";
$remailer{"valdeez"} = "<valdeez at> cpunk pgp pgponly hash ek";
$remailer{"arrid"} = "<arrid at> cpunk pgp pgponly hash ek";
$remailer{"hera"} = "<goddesshera at> cpunk pgp pgponly hash ek";
$remailer{"htuttle"} = "<h_tuttle at> cpunk pgp hash latent cut post ek";
catalyst at is _not_ a remailer.
lmccarth at is _not_ a remailer.
usura at is _not_ a remailer.
remailer at is _not_ a remailer.

There is no remailer at

Groups of remailers sharing a machine or operator:
(cyber mix reno winsock)
(weasel squirrel medusa)
(cracker redneck)
(nym lcs)
(valdeez arrid hera)

The remailer list here has been out of date for some time, but should
be up to date now. I'm still working on updating the web page.

Last update: Mon 25 Aug 97 6:48:42 PDT
remailer  email address                        history  latency  uptime
redneck  config at             *#+**###*#+#     1:42  99.99%
nym      config at             +++###*+#+##     4:24  99.99%
cracker  remailer at           +++++-++++++    20:07  99.97%
weasel   config at             +--+--+--+++  1:52:17  99.96%
arrid    arrid at                   +-++-++----   2:57:11  99.90%
hera     goddesshera at             ----------.-  8:59:19  99.89%
winsock  winsock at      --+-------+   4:22:37  99.83%
bureau42 remailer at         -----------+  2:38:44  99.75%
cyber    alias at        ++**+**+**++    14:02  99.74%
mix      mixmaster at     ++*++**++++     20:35  99.67%
replay   remailer at              + *** * +***     6:51  99.18%
valdeez  valdeez at                 +----------   9:25:25  99.06%
squirrel mix at              -----------   3:45:55  98.53%
jam      remailer at          ---** *+++++    52:44  97.92%
neva     remailer at                ---****** +#    28:32  97.63%
reno     middleman at           ++--+ + +-     46:04  94.86%

   History key
     * # response in less than 5 minutes.
     * * response in less than 1 hour.
     * + response in less than 4 hours.
     * - response in less than 24 hours.
     * . response in more than 1 day.
     * _ response came back too late (more than 2 days).

          A major class of remailers. Supports Request-Remailing-To:
          A variant of the cpunk style. Uses Anon-Send-To: instead.
          The third class of remailers (at least for right now). Uses
          X-Anon-To: in the header.
          Remailer supports encryption with PGP. A period after the
          keyword means that the short name, rather than the full email
          address, should be used as the encryption key ID.
          Supports ## pasting, so anything can be put into the headers of
          outgoing messages.
          Remailer always kills subject header, even in non-pgp mode.
          Remailer always preserves subject header, even in pgp mode.
          Supports Matt Ghio's Latent-Time: option.
          Supports Matt Ghio's Cutmarks: option.
          Post to Usenet using Post-To: or Anon-Post-To: header.
          Encrypt responses in reply blocks using Encrypt-Key: header.
          Accepts only pgp encrypted messages.
          Can accept messages in Mixmaster format.
          Attempts to foil traffic analysis by reordering messages. Note:
          I'm relying on the word of the remailer operator here, and
          haven't verified the reord info myself.

          Remailer has been known to monitor contents of private email.
          Remailer has been known to filter messages based on content. If
          not listed in conjunction with mon, then only messages destined
          for public forums are subject to filtering.

Raph Levien

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